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Composite neutrinos and the QCD axion: baryogenesis, dark matter, small Dirac neutrino masses, and vanishing neutron EDM

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arxiv 2108.04293 v2 pith:4QOUWCLB submitted 2021-08-09 hep-ph

Composite neutrinos and the QCD axion: baryogenesis, dark matter, small Dirac neutrino masses, and vanishing neutron EDM

Sabyasachi Chakraborty , Tae Hyun Jung , Takemichi Okui This is my paper
classification hep-ph
keywords axioncompositebaryogenesisdarkdiracmatterneutrinosabundance
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider a chiral gauge theory from which light composite Dirac neutrinos dynamically emerge, augmented by a QCD axion to solve the strong CP problem. We show that an interplay between the composite sector and the axion can also simultaneously lead to successful baryogenesis and generate a correct dark matter abundance via "co-genesis" without contradicting present constraints. We predict $\Delta N_{\rm eff} \geq 0.14$ and $m_a$ in the range $O(1)\>{\rm \mu eV}$--$O(10)\>{\rm meV}$, which can be firmly tested by upcoming CMB experiments and axion searches.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Dark Matter and Baryon Asymmetry from Monopole-Axion Interactions

    hep-ph 2025-11 conditional novelty 8.0

    A rotating QCD axion dissipates kinetic energy via dark monopole dyon transitions, explaining dark matter and baryon asymmetry with a predicted axion decay constant below 10^9 GeV.

  2. Worldline effective field theory of inspiralling black hole binaries in presence of dark photon and axionic dark matter

    hep-th 2023-05 unverdicted novelty 6.0

    Computes 1PN conservative dynamics for gravitational/EM/Proca fields and 2PN for scalar, plus radiation effects from axion-photon coupling at high PN orders in binary black hole systems with dark matter.

  3. Type II Seesaw Leptogenesis in a Majoron background

    hep-ph 2025-06 unverdicted novelty 5.0

    Spontaneous wash-in leptogenesis in Type II Seesaw with Majoron pNGB background enables baryon asymmetry generation alongside dark matter cogenesis for specific v_T, v_sigma and m_j ranges.